Use the four-step process to find the slope of the tangent line to the graph of the given function at any point. (Simplify your answers completely.)

f(x) =1/6x²

Step 1:f(x+h)=

Step 2: f(x+h)f(x)=

Step 3: f(x+h)f(x)/ h=

Step 4:f'(x) =lim

h0

f(x+h)f(x)/h =